Table 5

Logistic regressions: any use of roll-your-own (RYO) versus factory made (FM), and RYO only versus mixed

Item (n = 9046)	Any RYO versus FM		RYO only versus mixed
	*χ² = 15.2, df = 8; ns		χ² = 7.2, df = 8; ns
	OR	p Value	OR	p Value
*Hosmer-Lemeshow goodness-of-fit.
HSI, heaviness of smoking index; NS, not significant; TSP, tobacco smoke pollution
Age	0.99	0.001	1.03	0.001
Sex
Female versus male	0.50	0.001	0.75	0.019
Country
Canada	2.18	0.001	3.37	0.001
UK	3.88	0.001	5.40	0.001
Australia	2.99	0.001	2.27	0.017
USA (reference)	1.00		1.00
Education
Low	1.06	NS	0.92	NS
Moderate	1.11	NS	0.73	NS
High (reference)	1.00		1.000
Income
Low	2.98	0.001	1.15	NS
Medium	1.90	0.001	1.34	NS
No answer	1.99	0.001	0.98	NS
High (reference)	1.00		1.00
Identified minority
Majority versus minority	1.72	0.001	1.06	NS
HSI	1.17	0.001	0.96	NS
Self rated addiction level	1.20	0.002	1.07	NS
Claim to inhale deeply	1.09	0.010	1.13	0.034
Number of smokers among 5 closest friends	1.17	0.001	0.93	0.035
Overall attitude to smoking	1.05	NS	0.95	NS
Intention to quit	0.92	0.008	0.90	NS
Social denormalisation	0.89	0.024	1.27	0.014
Self exempting beliefs	1.01	NS	0.98	NS
RYO least harmful	2.04	0.001	1.09	NS
RYO most harmful	0.46	0.001	0.75	NS
Spend food money on cigarettes	1.25	0.001	0.94	NS
Think about money spent	0.86	0.001	0.86	0.002
Spend too much	0.73	0.001	0.73	0.001
Make special effort to buy cheaper	1.28	0.001	0.82	NS
Think about harm to others	1.07	0.005	1.07	NS
Think about harm done by tobacco companies	1.07	0.007	1.01	NS
Attitude to regulation of tobacco companies	1.05	NS	1.20	0.031
Can trust tobacco companies to tell the truth	0.91	0.002	0.89	0.040
Tobacco companies try to convince no TSP risk	1.07	0.021	1.08	NS